20
7.2.
Troubleshooting guide for Wireless
Audio confirmation
Sound skip from front speaker (Bluetooth input)
Check the radio wave interference of other wireless equipment (cordless phone,
microwave oven, WiFi, other BT devices).
Place subwoofer & other wireless equipment more than 2 meters away from main unit
No sound from front speaker (Bluetooth input)
VFD display BLUETOOTH READY
(PAIRING OK)
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board (Micon/DSP & Digital Amplifier Circuit)
ĺ
Main board change
VFD does not display your Device name
(PAIRING FAILED)
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+3.3V; Q8100-c,e
ĺ
+5V
Check IC8005 pin 9
ĺ
+5V
Check IC8005 pin 13 > +3V
Check IC8005 pin 15, 2, 4 > +3V.
Unable to view HTB485 in list of BT devices
in external BT device
If all above are OK, BT module failure
ĺ
Main board change.
Subwoofer (
SB-HWA480)
sound skip
)
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Place subwoofer & other wireless equipment more than 2 meters away from main unit
Subwoofer
SB-HWA480
no sound
)
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Wireless link light checking SB-HWA480 upper left
front
Wireless Link LED lights GREEN
Check the connection from Digital Amplifier board to SW speaker
Failure of Digital Amplifier Circuit of the subwoofer.
.
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Failure of Transmitter board on Main Unit or Receiver board on Subwoofer
S ubWoofer R F R eceiver
Module
S B - HWA480
B luetooth (B T )
Module
Summary of Contents for SU-HTB485EB
Page 4: ...4 1 2 Caution for AC Cord For EB only Figure 1 2 ...
Page 13: ...13 5 2 Remote Control Key Button Operations ...
Page 25: ...25 8 3 Types of Screws 8 3 1 Main Speaker Unit SU HTB485 8 3 2 Active Subwoofer SB HWA480 ...
Page 33: ...33 Step 5 Remove 2 screws Step 6 Remove HDMI P C B ...
Page 35: ...35 Step 9 Slightly lift up Main P C B Step 10 Remove Main P C B ...
Page 36: ...36 Step 11 Slightly lift up Connecting Plate Assembly Unit Step 12 Release Main P C B ...
Page 54: ...54 ...
Page 64: ...64 ...
Page 94: ...94 ...
